28075131

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2309}}^1$

素因数の和:2515

約数の個数: 24

約数和(自身を含む): 46606560

約数和(自身を除く): 18531429

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1737, 2309, 4053, 6927, 12159, 16163, 20781, 48489, 145467, 445637, 1336911, 3119459, 4010733, 9358377, 28075131]

約数ペア:

[(1, 28075131), (3, 9358377), (7, 4010733), (9, 3119459), (21, 1336911), (63, 445637), (193, 145467), (579, 48489), (1351, 20781), (1737, 16163), (2309, 12159), (4053, 6927)]